From: Karan Gupta (
Date: 05/09/05

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    Date: Mon, 9 May 2005 12:33:48 -0700

    Need help..have gone through google/docs but am still confused.
    Im running,

    FreeBSD 4.9-RELEASE FreeBSD 4.9-RELEASE #4: i386

    its acting as a router running NAT, IPFW and DHCP

    INTERNET<------>fBSD<------>x.x.x.x(win2k machine running RealVNC server on the local network, it has a static IP)

    a.a.a.a: is the ext_ip_fbsd
    x.x.x.1: is the int_ip_fsd
    x.x.x.x: Win2k on the local network running RealVNC server

    I want to connect to the win2k machine from the internet.
    i have natd.conf with
    same_port yes
    redirect_port tcp x.x.x.x:5800-5900 a.a.a.a:5800-5900
    redirect_port udp x.x.x.x:5800-5900 a.a.a.a:5800-5900

    ###ipfw with#####
    ipfw -f flush
    ##### rl0 is the ext interface #####
    /sbin/natd -interface rl0 -s
    ipfw add 999 divert natd all from any to any via rl0

    I can get on the internet just fine, can ssh to the fBSD from the outside as well.
    Heres the nmap output,
    Port State Service
    21/tcp open ftp
    22/tcp open ssh
    25/tcp open smtp
    80/tcp open http
    443/tcp open https
    587/tcp open submission

    I guess i need to open the ports on the firewall....nothing that i tried worked.

    Any suggestions?

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